The Top 10 Non-Playable Characters

TheGameReviews writes: "We play games for many reasons, not the least of which is escapism, and being able to immerse yourself in a fictitious world. One of the primary elements that attaches us to a game world is its cast of characters. Yet, while protagonists are often spot lit, it's high time that the supporting roles are given due credit too. They might be charming and lovable, or frighteningly cruel, or sometimes impossible to know what to make of, with that very mystery being what intrigues us. But what's certain is that without them a game simply could not be. Hear are the Top 10 Non-Playable Characters of gaming, finally in the spotlight."

They're only sort of in the same universe. Portal is more like a spin-off in an alternate universe as it's so tonally different than the rest of the series. That, and the two characters are so wildly different and excellent in their own way.